31.05% is the change from 219 to 287
Calculation steps:
[( 287 - 219 ) ÷ 219] x 100 = 31.05%
Formula
Percentage change = [(287 - 219) / 219] x 100
Subtract the new number by the original number
287 - 219 = 68
68 ÷ 219 = 0.3105022831050228
0.3105022831050228 x 100 = 31.05%